<template>
  <div class="progress-circle">
    <svg :width="radius" :height="radius" viewBox="0 0 100 100" version="1.1" xmlns="http://www.w3.org/2000/svg">
      <circle class="progress-background" r="50" cx="50" cy="50" fill="transparent"/>
      <circle class="progress-bar" r="50" cx="50" cy="50" fill="transparent" :stroke-dasharray=dashArray :stroke-dashoffset="dashOffset"/>
    </svg>
    <slot></slot>

  </div>
</template>

<script type="text/ecmascript-6">
    export default {
      name: "progress-circle",
      props:{
        radius :{
          type:Number,
          default:100
        },
        percent:{
          type:Number,
          default:0
        }
      },
      data(){
        return {
          dashArray:Math.PI*100
        }
      },
      computed:{
        dashOffset(){
          return (1-this.percent)*this.dashArray
        }
      }
    }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "~common/stylus/variable"

  .progress-circle
    position: relative
    circle
      stroke-width: 8px
      transform-origin: center
      &.progress-background
        transform: scale(0.9)
        stroke: $color-theme-d
      &.progress-bar
        transform: scale(0.9) rotate(-90deg)
        stroke: $color-theme
</style>
